package thread;

import java.util.concurrent.atomic.AtomicInteger;

public class Demo33 {
    private static AtomicInteger count = new AtomicInteger(0);
    public static void main(String[] args) throws InterruptedException {
        Thread t1 = new Thread(() -> {
            for (int i = 0; i < 5000; i++) {
                count.getAndIncrement();//count++操作
                /*count.incrementAndGet();++count
                count.getAndDecrement();count--
                count.decrementAndGet();--count
                count.getAndAdd(10);count += 19*/
            }
        });

        Thread t2 = new Thread(() -> {
            for (int i = 0; i < 5000; i++) {
                count.getAndIncrement();//count++操作
            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        //通过count.get拿到原子类内部持有的真实数据
        System.out.println("count = " + count.get());
    }
}
